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Byju's Answer
Standard XII
Biology
Vaccination and Immunisation
Vaccine conta...
Question

Vaccine contains

A
Only formulation chemicals
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B
A medicine that suppresses immune system
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C
A disease causing inactivated microorganism
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D
A chemical that suppresses host DNA
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Solution

The correct option is C A disease causing inactivated microorganism
A vaccine contains a disease-causing inactivated microorganism or very less quantity of active ingredient. They elicit the immune system when administered and hence produces antibodies. These antibodies help to fight the disease.
Thus, the correct answer is option C.

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